18581290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2917}}^1$

素因数の和:2951

約数の個数: 48

約数和(自身を含む): 41914152

約数和(自身を除く): 23332862

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 2917, 3185, 5834, 6370, 14585, 20419, 29170, 37921, 40838, 75842, 102095, 142933, 189605, 204190, 265447, 285866, 379210, 530894, 714665, 1327235, 1429330, 1858129, 2654470, 3716258, 9290645, 18581290]

約数ペア:

[(1, 18581290), (2, 9290645), (5, 3716258), (7, 2654470), (10, 1858129), (13, 1429330), (14, 1327235), (26, 714665), (35, 530894), (49, 379210), (65, 285866), (70, 265447), (91, 204190), (98, 189605), (130, 142933), (182, 102095), (245, 75842), (455, 40838), (490, 37921), (637, 29170), (910, 20419), (1274, 14585), (2917, 6370), (3185, 5834)]